البوابة الإلكترونية لجامعة بنها · 2013. 10. 7. · (1982), Hassan et al. (1987), Hassan and Mahcous ( 1989) and Hassan et al. (1990) . 2. Effect of control

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Effect of control' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022052022/6038069a7f5c3e31a42224f2/html5/thumbnails/6.jpg' width='140' height='200' /> Page 7 <img data-url='document/-f-2013-10-7-1982.html?page=7' data-page='7' class='cut-thumb lazyload' alt='Page 7: البوابة الإلكترونية لجامعة بنها · 2013. 10. 7. · (1982), Hassan et al. (1987), Hassan and Mahcous ( 1989) and Hassan et al. (1990) . 2. 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البوابة الإلكترونية لجامعة بنها · 2013. 10. 7. · (1982), Hassan et al. (1987), Hassan and Mahcous ( 1989) and Hassan et al. (1990) . 2. Effect of control

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